Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Sump
Definition(s)
Sump
Pan or lower compartment below the lowest shale-shaker screen. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global StandardsSump
Sump―a container constructed of steel, fiberglass, sealed concrete, or some other impermeable material utilized for temporary storage of E and P Waste, including, but not limited to, wash water and solids (sludge) generated by the removal/cleaning of residual amounts of E and P Waste from storage containers. Source: Natural Resources, Office of Conservation – General Operations, Louisiana Administrative Code, Title 43, Part XIX, March 2013. RegulationsSump
“Sump” means an impermeable vessel, or a collection device incorporated within a secondary containment system, with a capacity less than 500 gallons, which remains predominantly empty, serves as a drain or receptacle for de minimis releases on an intermittent basis and is not used to store, treat, dispose of or evaporate products or wastes. Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. RegulationsSump
A pit or excavation, for holding liquids. Source: Petroleum Safety Orders--Drilling and Production, Definitions, California Code of Regulations, 8 CCR § 6505, December 2012. RegulationsSuction Compartment
Definition(s)
Suction Compartment (General)
Any compartment from which a pump removes fluid. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global StandardsSuction Compartment (Specific)
Area of the check/suction section that supplies drilling fluid to the suction of the drilling fluid pumps. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global StandardsSlug Tank
Definition(s)
Slug Tank
Small compartment, normally adjacent to the suction compartment, used to mix special fluids to pump downhole. NOTE Slug tanks are most commonly used to prepare a small volume of weighted drilling fluid before a drillstem trip in and out of the borehole. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global StandardsSieve Analysis
Definition(s)
Sieve Analysis
Classification by mass of solid particles passing through or retained on a sequence of screens with decreasing aperture sizes. NOTE Sieve analysis can be carried out by wet or dry methods. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global StandardsSieve
Definition(s)
Sieve
Laboratory screen with wire-mesh or electronically-punched holes of known dimensions. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global StandardsShale Shaker
Definition(s)
Shale Shaker
Mechanical device that separates cuttings and large solids from a drilling fluid. NOTE The separation methods can include vibrating screens, rotating cylindrical screens, etc. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global StandardsShale Shaker
A vibrating screen that removes relatively large size cuttings from the drilling fluid returns. Source: API RP 59, Recommended Practice for Well Control Operations, Second Edition, May 2006. Global Standards Source: API RP 64, Recommended Practice for Diverter Systems Equipment and Operations, Second Edition, November 2001 (March 1, 2007). Global StandardsScreening
Definition(s)
Screening
The maximum uplift force during spud can extraction.
Source: API RP 781 Security Plan Methodology for the Oil and Natural Gas Industries.1st Ed. September 2016. Global StandardsScreening
Mechanical process resulting in a division of particles on the basis of size by their acceptance or rejection by a screening surface. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global StandardsScreening
“Screening” means an environmental assessment that is conducted pursuant to section 18 and that includes a consideration of the factors set out in subsection 16(1); examen préalable. Source: Canadian Environmental Assessment Act, 1992, c. 37, Canada, as consolidated November 2003. LegislationScreen Cloth
Definition(s)
Screen Cloth
Type of screening surface woven in square, rectangular or slotted openings. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global StandardsSand Trap
Definition(s)
Sand Trap
First compartment and the only unstirred or unagitated compartment in a surface system, and intended as a settling compartment. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global StandardsSpurt Loss
Definition(s)
Spurt Loss
Volume of fluid that passes through the filtration medium before a filter cake is formed. Source: API RP 13B-1, Recommended Practice for Field Testing Water-based Drilling Fluids, Fourth Edition, March 2009. Global StandardsService-Related Product
Definition(s)
Service-Related Product
Materials, equipment, and software used in the execution of a service. Source: API Spec Q2, Specification for Quality Management System Requirements for Service, Supply Organizations for the Petroleum and Natural Gas Industries, Upstream Segment, First Edition, December 2011. Global StandardsService Quality Plan
Definition(s)
Service Quality Plan
Document that establishes procedures, resources, processes, and any required sequence of activities identifying and controlling the quality requirements. Source: API Spec Q2, Specification for Quality Management System Requirements for Service, Supply Organizations for the Petroleum and Natural Gas Industries, Upstream Segment, First Edition, December 2011. Global StandardsService
Definition(s)
Service
Performance of an activity by one function or organization for another. Source: API SPEC Q1, Specification for Quality Management System Requirements for Manufacturing Organizations for the Petroleum and Natural Gas Industry, Ninth Edition, June 2013 (Errata 2, March 2014). Global Standards Source: API Spec Q2, Specification for Quality Management System Requirements for Service, Supply Organizations for the Petroleum and Natural Gas Industries, Upstream Segment, First Edition, December 2011. Global StandardsService
Throughout the text of this International Standard, wherever the term “product" occurs, it can also mean “service“. Source: API SPEC Q1, Specification for Quality Programs for the Petroleum, Petrochemical and Natural Gas Industry, Upstream Segment, Eighth Edition, December 2007 (Addendum December 2010). Global StandardsSurface Estate
Definition(s)
Surface Estate
"Surface estate" means an estate in or ownership of the surface of a particular tract of land. Source: Control of Oil and Gas Resources, North Dakota Century Code, Title 38, Chapter 8, February 2013. LegislationSurface Owner
Definition(s)
Surface Owner
"Surface owner" means any person who holds record title to the surface of the land as an owner. Source: Control of Oil and Gas Resources, North Dakota Century Code, Title 38, Chapter 8, February 2013. LegislationSeparately Owned Tract
Definition(s)
Separately Owned Tract
Any reference to a separately owned tract, although in general terms broad enough to include the surface and all underlying common sources of supply of oil and gas, shall have reference thereto only in relation to the unit source of supply or portion thereof embraced within the unit area of a particular unit. Source: Control of Oil and Gas Resources, North Dakota Century Code, Title 38, Chapter 8, February 2013. LegislationSummary
Definition(s)
Summary
Summary: a brief and comprehensive presentation of facts or statements; an abstract, compendium, or epitome (The Macquarie Dictionary Online © 2007). Source: NOPSEMA Guidance note: Safety Case Content and Level of Detail, N-04300-GN0106, Australia, Revision 5, December 2012. Regulatory GuidanceSpecify
Definition(s)
Specify
Specify: to mention or name specifically or definitely; state in detail (The Macquarie Dictionary Online © 2007). Source: NOPSEMA Guidance note: Safety Case Content and Level of Detail, N-04300-GN0106, Australia, Revision 5, December 2012. Regulatory GuidanceSystematic
Definition(s)
Systematic
Systematic: having, showing, or involving a system, method, or plan (The Macquarie Dictionary Online © 2007). Source: NOPSEMA Guidance note: Safety Case Content and Level of Detail, N-04300-GN0106, Australia, Revision 5, December 2012. Regulatory GuidanceSignificant Cumulative Change
Definition(s)
Significant cumulative change
In relation to overall level of risk of major accident events, means a change in the level of risk that is likely to change the basis on which the safety case was accepted. Note: The obligation is on the operator to establish what constitutes change in these contexts. If in doubt, operators are welcome to discuss prospective changes with NOPSEMA. Source: NOPSEMA Guidance note: Safety Case Lifecycle Management, N04300-GN0087, Australia, Revision 5, December 2012. Regulatory GuidanceSignificant Change
Definition(s)
Significant change
A significant change is likely to be one that changes the basis on which the safety case was accepted. In relation to a safety management system, "significant change" means a change to the whole of, or a major part of, the safety management system that would warrant a change to the description of the SMS in the safety case. Source: NOPSEMA Guidance note: Safety Case Lifecycle Management, N04300-GN0087, Australia, Revision 5, December 2012. Regulatory GuidanceSMS
Definition(s)
SMS
Security Management System .
Source: API RP 781 Security Plan Methodology for the Oil and Natural Gas Industries.1st Ed. September 2016. Global StandardsSMS
Safety Management System. Source: NOPSEMA Guidance note: Safety Case Lifecycle Management, N04300-GN0087, Australia, Revision 5, December 2012. Regulatory Guidance Source: NOPSEMA Guidance note: Risk Assessment, N-04300-GN0165, Australia, Revision 4, December 2012. Regulatory Guidance Source: NOPSEMA Guidance Note: ALARP, N-04300-GN0166, Australia, Revision 4, December 2012. Regulatory Guidance Source: NOPSEMA Guidance Note: Control Measures and Performance Standards, N-04300 GN0271, Australia, Revision 3, December 2011. Regulatory Guidance Source: NOPSEMA Guidance Note: Safety Management Systems, N04300-GN1052, Australia, Revision 0, December 2012. Regulatory Guidance Source: International Association of Drilling Contractors, Appendix 2 to Health, Safety and Environment Case Guidelines for Offshore Drilling Contractors, Issue 3.3.2, February 2010. IADC Guidelines Source: Prevention of Fire and Explosion, and Emergency Response on Offshore Installations, Offshore Installations (Prevention of Fire and Explosion, and Emergency Response) Regulations 1995, Approved Code of Practice and guidance (UK HSE L65), Second Edition, 1997. Regulatory Guidance Source: A Guide to the Offshore Installations and Pipelines Works (Management and Administration) Regulations 1995, Guidance on Regulations (UK HSE L70), Second Edition, 2002. Regulatory Guidance Source: Safety Plan Guidelines, The Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, and National Energy Board, Canada, March 31, 2011. Regulatory GuidanceSubmit
Definition(s)
Submit (a document)
Formally transmit a document to NOPSEMA for the purpose of assessment under one of the listed laws, leading to an enforcement decision concerning its acceptability. Any other documents provided to or obtained by NOPSEMA or its OHS inspectors are not regarded as submitted and are not assessed. Source: NOPSEMA Guideline – Glossary – Regulatory Operations, N-09000-GL0326, Australia, Revision 5, December 2011. Regulatory GuidanceSPAE
Definition(s)
Significant pipeline accident event (SPAE)
Term previously used by the Petroleum (Submerged Lands) (Pipelines) Regulations 2001, but not defined there, with similar implications to major accident event. Now only mentioned in the “object” of those regulations and no longer used by NOPSEMA. Source: NOPSEMA Guideline – Glossary – Regulatory Operations, N-09000-GL0326, Australia, Revision 5, December 2011. Regulatory GuidanceSignificant Pipeline Accident Event
Definition(s)
Significant pipeline accident event (SPAE)
Term previously used by the Petroleum (Submerged Lands) (Pipelines) Regulations 2001, but not defined there, with similar implications to major accident event. Now only mentioned in the “object” of those regulations and no longer used by NOPSEMA. Source: NOPSEMA Guideline – Glossary – Regulatory Operations, N-09000-GL0326, Australia, Revision 5, December 2011. Regulatory GuidanceSystem
Definition(s)
System
Assembled section of piping consisting of a representative range of pipes, fittings, connections, attachments, supports, penetrations and associated coatings, e.g. for thermal insulation or fire protection, as can be found in service. Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global StandardsSystem
Combination of interacting elements organized to achieve one or more stated purposes. A system can consist of products (tools used to achieve a specific task), equipment, services and/or people. Source: IMO MSC.1/Circ.1512, Guideline on Software Quality Assurance and Human-Centred Design for e-navigation, 8 June 2015, International Maritime Organization. Regulatory GuidanceSystem
A set of interacting or interdependent elements forming an integrated process to manage an activity. The OMS is termed a "framework". It provides a structure to organize all a company's operating systems and other sub-systems, such as procedures. The OMS Framework applies to all levels of an organisation, but each level may add additional systems and sub-systems to manage risks specific to its activities, creating a "local" or "asset" OMS. Source: IOGP Report No. 510, Operating Management System Framework for controlling risk and delivering high performance in the oil and gas industry, International Association of Oil & Gas Producers, June 2014. Global StandardsSystem
Any combination of facilities, equipment, personnel, procedures, and communications integrated for a specific purpose.
Source:API STANDARD 780, Security Risk Assessment Methodology for the Petroleum and Petrochemical Industries, First Edition, May 2013. Global StandardsSystem
Combination of interacting elements organized to achieve one or more stated purposes (ISO 15288).- EXAMPLE: Air transportation system.
System
Integrated composite of people, products, and processes that provide a capability to satisfy a stated need or objective. Source: API RP 98, Personal Protective Equipment Selection for Oil Spill Responders, First Edition, August 2013. Global StandardsSystem
Any combination of facilities, equipment, personnel, procedures, and communications integrated for a specific purpose. Sample Usage: The collection of roads, tunnels, and bridges provided the country with the foundation for a useful transit system. Source: DHS Risk Lexicon, U.S. Department of Homeland Security, 2010 Edition. September 2010 Regulatory GuidanceSystem
System refers to the fixed hydrocarbon gas detection system. Source: IMO MSC.1/Circ.1370, Guidelines for the design, construction and testing of fixed hydrocarbon gas detection systems, 22 June 2010, International Maritime Organization. Regulatory GuidanceSystem
Interacting, interrelated, or interdependent elements forming a complex whole.
Source: ANSI/ISA–99.00.01–2007, Security for Industrial Automation and Control Systems, Part 1: Terminology, Concepts, and Models, 29 October 2007. National StandardSystem
“System” means occupational health and safety management system required pursuant to these Requirements, unless the context otherwise requires. Source: Nova Scotia Offshore Petroleum Occupational Health & Safety Requirements, Canada-Nova Scotia Offshore Petroleum Board, Canada, December 2000. RegulationsSMYS
Definition(s)
SMYS
Specified minimum yield strength. Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global Standards Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards Source: API Standard 2RD, Dynamic Risers for Floating Production Systems, Second Edition, September 2013. Global Standards Source: API TR 1PER15K-1, Protocol for Verification and Validation of High-pressure High-temperature Equipment, First Edition, March 2013. Global Standards Source: ISO 21457:2010, Petroleum and natural gas industries — Materials selection and corrosion control for oil and gas production systems, First Edition,September 2010. Global StandardsSMYS
Minimum yield strength at room temperature prescribed by the specification or standard under which the material is purchased.
Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards